US3424607A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Atactic polyolefin release agents
Assignee: De Kalb Industries Inc
•
Filing: 1964-06-15
•
Granted: 1969-01-28
•
Expires: 1984-06-15
Abstract
No abstract record available.
Inventors
- 👤 Salvatore G Coscia
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:18
CPC Classifications
B; B28; B28B; B28B7/00; B28B7/38; B28B7/384
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2627938A
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US2639313A
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US2851330A
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US2923041A
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US3258340A
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US3079218A
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US3012016A
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US2998401A
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US3060145A
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US3297609A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-01-28 | 1972-07-29 | 1973-01-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-28 | 1976-07-29 | 1977-01-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-28 | 1980-07-29 | 1981-01-28 | $7700.00 | Window Closed / Lapsed |